Platformsh\Cli\Command\Self\SelfInstallCommand::execute PHP Метод

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $homeDir = $this->getHomeDir();
        $configDir = self::$config->getUserConfigDir();
        $shellConfig = file_get_contents(CLI_ROOT . '/shell-config.rc');
        if ($shellConfig === false) {
            $this->stdErr->writeln(sprintf('Failed to read file: %s', CLI_ROOT . '/shell-config.rc'));
            return 1;
        }
        $shellConfigDestination = $configDir . DIRECTORY_SEPARATOR . 'shell-config.rc';
        if (file_put_contents($shellConfigDestination, $shellConfig) === false) {
            $this->stdErr->writeln(sprintf('Failed to write file: %s', $shellConfigDestination));
            return 1;
        }
        $this->stdErr->writeln(sprintf('Successfully copied CLI configuration to: %s', $shellConfigDestination));
        if (!($shellConfigFile = $this->findShellConfigFile($homeDir))) {
            $this->stdErr->writeln('Failed to find a shell configuration file.');
            return 1;
        }
        $this->stdErr->writeln(sprintf('Reading shell configuration file: %s', $shellConfigFile));
        $currentShellConfig = file_get_contents($shellConfigFile);
        if (strpos($currentShellConfig, $configDir . "/bin") !== false) {
            $this->stdErr->writeln(sprintf('Already configured: <info>%s</info>', $shellConfigFile));
            return 0;
        }
        $suggestedShellConfig = "export PATH=\"{$configDir}/bin:\$PATH\"" . PHP_EOL . '. ' . escapeshellarg($shellConfigDestination) . " 2>/dev/null";
        /** @var \Platformsh\Cli\Helper\QuestionHelper $questionHelper */
        $questionHelper = $this->getHelper('question');
        if (!$questionHelper->confirm('Do you want to update the file automatically?')) {
            $suggestedShellConfig = PHP_EOL . '# ' . self::$config->get('application.name') . ' configuration' . PHP_EOL . $suggestedShellConfig;
            $this->stdErr->writeln(sprintf('To set up the CLI, add the following lines to: <comment>%s</comment>', $shellConfigFile));
            $this->stdErr->writeln(preg_replace('/^/m', '  ', $suggestedShellConfig));
            return 1;
        }
        $newShellConfig = rtrim($currentShellConfig, PHP_EOL) . PHP_EOL . PHP_EOL . '# Automatically added by the ' . self::$config->get('application.name') . PHP_EOL . $suggestedShellConfig;
        copy($shellConfigFile, $shellConfigFile . '.cli.bak');
        if (!file_put_contents($shellConfigFile, $newShellConfig)) {
            $this->stdErr->writeln(sprintf('Failed to modify configuration file: %s', $shellConfigFile));
            return 1;
        }
        $shortPath = $shellConfigFile;
        if (getcwd() === dirname($shellConfigFile)) {
            $shortPath = basename($shellConfigFile);
        }
        if (strpos($shortPath, ' ')) {
            $shortPath = escapeshellarg($shortPath);
        }
        $this->stdErr->writeln("Updated successfully. Start a new terminal to use the new configuration.");
        $this->stdErr->writeln('Or to use it now, type:');
        $this->stdErr->writeln('  <info>source ' . $shortPath . '</info>');
        return 0;
    }